Home / 133,223.30-183,848.20-71,969.51

Finding the Fourth Proportional to 133,223.30, 183,848.20 and 71,969.51

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Solution

The fourth proportional to 133,223.30, 183,848.20 and 71,969.51 is: 99,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,223.30 : 183,848.20 = 71,969.51 : x
  2. Step 2: Convert to fraction form
    133,223.30/183,848.20 = 71,969.51/x
  3. Step 3: Cross multiply
    133,223.30x = 183,848.20 × 71,969.51
  4. Step 4: Simplify right side
    133,223.30x = 13,231,464,868.38
  5. Step 5: Solve for x
    x = 13,231,464,868.38/133,223.30
  6. Step 6: Final answer
    x = 99,317.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.